Thomas Campus | Mastery Charter School

Your Neighborhood School in South Philadelphia

Thomas Campus is a free, public charter school serving nearly 680 students in grades 7-12. We have been recognized by the Pennsylvania Department of Education as a Title 1 Distinguished School for the 2019-20 school year!

All of our sophomores participate in an internship program to explore different careers. And our upperclassmen can take AP classes and participate in a dual enrollment program to earn college credits while they are still in high school.

Students have access to tons of sports and extracurricular activities including football, orchestra and MGDs (Molding Gentlemen of Distinction).

At Thomas, we believe all students have greatness within. With love and high expectations, we support them in finding their own paths to success.

Stop by and visit us any time!







Our School

Our academically rigorous program prepares students for success after graduation.

We offer:

  • Varied Courses
      • Range of courses from introductory to college level
      • AP classes give students the opportunity to earn college credits
      • STEM Honors program
  • College and Career Prep
    • Sophomores complete an 18-week internship
    • Seniors go on college visits, take a senior seminar course, get assistance applying for scholarships & loans and support with the college application process
    • Students graduate with a plan to enter college, the workforce or a pathway of their choice
  • Special Education Programming
    • We provide comprehensive special education programming to meet the individualized needs of each child, including:
      • Individualized Education Plans
      • Academic Interventions
      • Low Incidence Programs  (Autistic Support, Multiple Disabilities, Life Skills)
      • Emotional Support
      • English as a Second Language (ESL)
      • Psychological and Social Services

Thomas students have tons of sports, clubs and extracurricular activities to choose from, including:

  • Anime
  • Art Club
  • Baseball
  • Basketball
  • Book Club
  • Boys Club
  • Cake Decorating
  • Cross Country
  • Drum Line
  • eSports
  • Fishadelphia
  • Fitness Training
  • Flag Football
  • Football
  • Gay Straight Alliance
  • Mastery Gentlemen of Distinction, DIVAS
  • Multicultural Club
  • National Honors Society
  • Orchestra
  • Soccer
  • Softball
  • Student Government
  • Track and Field
  • Yearbook

We’re a member of the PIAA (Pennsylvania Interscholastic Athletic Association) within the District XII Public League. Our middle school teams play in a variety of leagues across the city.


Athletics Calendar

Any student living in Philadelphia is eligible to apply for the lottery at Thomas Campus. We give preference to students with siblings currently attending the school. First preference, however, is given to students living within the 19148 zip code, followed by students living within zip codes 19145, 19146, and 19147, followed by all other applicants. This is so we can serve as a neighborhood school, per our charter.

In the News

Two Mastery Charter Schools Designated a Title 1 Distinguished School

Read Article

Our Team


Peter Langer, Principal

[email protected]

Peter Langer has served the principal at Mastery Charter Thomas in South Philadelphia since 2019. He has served as a school leader at Mastery since 2011 and prior to joining the Thomas team was a principal at Simon Gratz Mastery Charter. Before joining Mastery, Mr. Langer taught middle school math and science in School District of Philadelphia and served as a teacher coach for math and science teachers throughout Philadelphia and Camden.

A South Philly resident for the past decade, he grew up in Buffalo, New York and is a proud graduate of the University of Notre Dame.  Mr. Langer moved to Philly as part of Teach For America in 2006.

Peter is thrilled to lead a school in his community and is committed to the growth and achievement of all students at Thomas.  Outside of school, Peter likes to spend time with his family, exercise and cheer on the 76ers .


Chanelle Baylor, Assistant Principal of Operations

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Bob Victor, Ex-Officio Chair

Don Kimelman, Treasurer

Sulaiman Rahman, Secretary

Suzanne Biemiller

Hosea Harvey

Markida Ross

Judith Tschirgi

Roy Wade

John Walsh

Kristina Wilkerson

"There's a charter school called Mastery in Philadelphia. And in just two years, three of the schools that Mastery has taken over have seen reading and math levels nearly double - in some cases, triple...Now, if a school like Mastery can do it, every troubled school can do it."
-President Barack Obama